EnsureRuns takes a closure and runs it in a goroutine, blocking until the goroutine has had an opportunity to run.

Expect fails the test if the next event is not one of the specified events.

WatchShutdownTask fails the test if the next event is not a task having its desired state changed to Shutdown.

WatchTaskCreate waits for a task to be created.

WatchTaskDelete waits for a task to be deleted.

WatchTaskUpdate waits for a task to be updated.